CmdID / PowerShell / Cmdlets / Remove
Remove-AdfsWebTheme
Removes a web theme. Windows Server PowerShell reference
From the Windows Server PowerShell reference 4 parameters Its page in the reference
Parameters
-TargetNameSpecifies a name.-TargetWebThemeSpecifies an AdfsWebTheme object.-Confirm, -cfPrompts you for confirmation before running the cmdlet.-WhatIf, -wiShows what would happen if the cmdlet runs.